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virtual address

   Also found in: Acronyms, Wikipedia 0.06 sec.
virtual address [′vər·chə·wəl ′ad‚res]
(computer science)
A symbol that can be used as a valid address part but does not necessarily designate an actual location.
1.(architecture)virtual address - A memory location accessed by an application program in a system with virtual memory such that intervening hardware and/or software maps the virtual address to real (physical) memory. During the course of execution of an application, the same virtual address may be mapped to many different physical addresses as data and programs are paged out and paged in to other locations.
2.virtual address - In IBM's VM operating system, Virtual Device Location.


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Any I/O from the host to the virtual storage will have to be handled by the Storage Virtualization Application running on a dedicated server or appliance, which then translates the virtual address to the physical storage address before sending it to the respective storage devices.
Intelligent switches--moving beyond virtualization by Bakthavathsalam, Ranga / Computer Technology Review
However, Opteron is not a "pure" 64-bit compute architecture; it incorporates a 48-bit virtual address space and a 40-bit physical address space, versus Itanium 2's 64-bit virtual addressing and 50-bit physical address space.
Faster [and] faster go the workstations: workstations are faster, ... by Gould, Lawrence S. / Automotive Design & Production
has announced a powerful system design tool that makes it easier for application developers to take advantage of the INTEGRITY RTOS's virtual address spaces and secure interprocess communication channels.
GRAPHICAL TOOL SPEEDS APP DEVELOPMENT FOR INTEGRITY RTOS by EDP Weekly's IT Monitor
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